000 00299nam a2200097Ia 4500
008 230930s9999||||xx |||||||||||||| ||und||
100 _aPrabhakaram, K.S. and Rao, Digumari Bhaskara
245 0 _aConcept Attainment Model in Mathematics Teaching
260 _aIndia
260 _bDiscovery Publishing House
999 _c15650
_d15650